The HTMLCOIN JavaScript library for Smart Contract development.
See documentation. See 中文 API 文档.
npm install htmlcoinjs
This is a sample code snippet that transfer HRC20 tokens:
import {
HtmlcoinRPC,
} from "htmlcoinjs"
const repoData = require("./solar.json")
const htmlcoin = new Htmlcoin("http://htmlcoin:test@localhost:3889", repoData)
const myToken = htmlcoin.contract("zeppelin-solidity/contracts/token/CappedToken.sol")
async function transfer(fromAddr, toAddr, amount) {
const tx = await myToken.send("transfer", [toAddr, amount], {
senderAddress: fromAddr,
})
console.log("transfer tx:", tx.txid)
console.log(tx)
await tx.confirm(3)
console.log("transfer confirmed")
}
The full source code.
This example uses async/await (supported natively by Node 8+).
docker run -it --rm \
--name htmlcoinjs \
-v `pwd`:/dapp \
-p 5889:3889 \
hayeah/htmlcoinportal
Enter into container:
docker exec -it htmlcoinjs sh
Generate initial blocks:
htmlcoin-cli generate 600
htmlcoin-cli getbalance
2000000.00000000
Deploy test contracts:
sh deploy-test-contracts.sh
Build and run tests:
npm build
npm run test